Bases: astropy.modeling.projections.Pix2SkyProjection, astropy.modeling.projections.Zenithal
Gnomonic projection - pixel to sky.
Corresponds to the TAN projection in FITS WCS.
See Zenithal for a definition of the full transformation.
\theta = \tan^{-1}\left(\frac{180^{\circ}}{\pi R_\theta}\right)
Methods Summary
evaluate(x, y) |
Methods Documentation